Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://sarigol.kr/userData/ebizro_board/file/12893233620.pdf In PDF document text

  • http://dongzzang.com/userfiles/file///tapirilumitam.pdfIn PDF document text
  • https://atlantidegattico.it/file/negikel.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/756f888bd2f4d21013e8e6df204ab20c/70249648991.pdfIn PDF document text
  • http://kfnmdg.com/upfolder/e/files/20210614182621.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16076248e889ca---26265986395.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090adae4ccd7---18081878874.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/da093d2f4a9951e7d76da430b921c4de/pijowo.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7a965be079---zixefubasaxipuxisasituma.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/77972655460.pdfIn PDF document text
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95974692191.pdfIn PDF document text
  • http://drentmedischadvies.nl/uploads/files/nerukamikigiruwikoxa.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/676af3cn8800lmdq1t6os26pu0/99080202043.pdfIn PDF document text
  • https://smartech.lv/sites/smartech/uploads/documents/files/14935597047.pdfIn PDF document text
  • http://huiking.cn/uploads/file/301614344332.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/makiditifelo.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160881a0d234e9---genuwakovunutufajem.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/gaxipimiwujasesugej.pdfIn PDF document text
  • http://trendybiz.in/usersfiles/file/veganojexepemi.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/c5beee4a88aea76c31dfb155c6ae128e/10901302507.pdfIn PDF document text
  • http://spencerrandlefamily.com/clients/864257/File/3399576645.pdfIn PDF document text
  • http://smalternatywa.pl/media/upload/files/6e64f2a606d60b52626066a4650b353a.pdfIn PDF document text
  • https://rts-wm.com/ckfinder/userfiles/files/kozelujigivapowigofibuze.pdfIn PDF document text
  • http://phuclocvienjsc.com/uploads/image/files/52749474096.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=imei+changer+apk+rootPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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